The 3080 gave us around 65% over a 2080 for the same price yet the 4080 is only giving us 47% but for double the price or the 12gb 19% for +50% increase in price, 4K numbers will likely be even less due to the 320>256>192 bus.Nvidia has released benchmarks for Overwatch 2
This is average FPS at 2560x1440p max settings.
Using the RTX3080 as a base, the rtx4080 12gb is 19% faster than the 3080. The 4080 16gb is 47% faster. And the rtx4090 is 105% faster than the RTX3080
Overwatch 2: GeForce RTX 40 Series GPUs with NVIDIA Reflex reach 360+ FPS, 1440p
New 600 FPS frame rate cap and system latency as low as 8 milliseconds thanks to the unbelievable performance of GeForce RTX graphics cards, and the magic of NVIDIA Reflex.www.nvidia.com